Riley Black’s new book, When the Earth was Green, uses the latest research to envision the ancient worlds of our favorite prehistoric animals.

The family level of plants may be more diverse than animals, so that's why you don't get the massive losses of these big groups, because some element of them finds a way to survive extinction.' When ...

In the Mesozoic Era ... In fact, in our era, we seem to be witnessing a reverse trend to the one observed by Cope. There are no longer huge animals like sauropods or giant sloths, and this ...

Non-bird dinosaurs lived between about 245 and 66 million years ago, in a time known as the Mesozoic Era. This was many millions ... This meant that differences between animals or plants found in ...

3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in ... of the food chain was filled with microscopic plants called phytoplankton; two of the major groups ...

What does this information really tell us about this strangely unique animal and its genetic past ... deep in the Mesozoic era, and since that time, it has independently lost different elements ...